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Re: split_edge, reg-stack and function.c fix

Richard

Can't splitting happen AFTER the reg-stack pass anyway
as part of final_scan_insn ().

Consider compiling at -O0 splitting might no get
done before the reg-stack pass and so after the
reg-stack pass we have insns which we can split.

I reported a bug with exactly this senerio see

http://gcc.gnu.org/ml/gcc-bugs/1999-12/msg00851.html

Graham
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